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Ensure consistent GL state when drawing screen textures

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Fixes palettized wipes being broken under some common conditions
This commit is contained in:
Hannu Hanhi 2022-03-17 03:40:01 +02:00
parent 1fd9d38994
commit 978006bc97
1 changed files with 4 additions and 5 deletions
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9
src/hardware/r_opengl/r_opengl.c
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@ -3016,11 +3016,9 @@ EXPORT void HWRAPI(DrawScreenTexture)(int tex, FSurfaceInfo *surf, FBITFIELD pol
pglClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
pglBindTexture(GL_TEXTURE_2D, screenTextures[tex]);
if (surf)
PreparePolygon(surf, NULL, polyflags);
else
Shader_SetUniforms(NULL, NULL, NULL, NULL); // prepare shader, if it is enabled
pglColor4ubv(white);
PreparePolygon(surf, NULL, surf ? polyflags : (PF_NoDepthTest));
if (!surf)
pglColor4ubv(white);
pglTexCoordPointer(2, GL_FLOAT, 0, fix);
pglVertexPointer(3, GL_FLOAT, 0, screenVerts);
@ -3226,6 +3224,7 @@ EXPORT void HWRAPI(DrawScreenFinalTexture)(int tex, int width, int height)
clearColour.red = clearColour.green = clearColour.blue = 0;
clearColour.alpha = 1;
ClearBuffer(true, false, &clearColour);
SetBlend(PF_NoDepthTest);
pglBindTexture(GL_TEXTURE_2D, screenTextures[tex]);
pglColor4ubv(white);